Playground structure



FIG. 1 is a perspective view showing the front and left sides of playground structure showing our new design;

FIG. 2 is a right side elevational view of the structure;

FIG. 3 is a rear elevational view of the playground structure shown in FIG. 1; and

FIG. 4 is a top view, on a reduced scale, of the playground structure shown in FIG. 3. 

The ornamental design for playground structure, as shown. 